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a945c346 | 1 | // Copyright (C) 2000-2024 Free Software Foundation, Inc. |
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2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
35d6801e | 17 | |
517da0ce MM |
18 | // The ARM simulator does not provide support for "fstat", which |
19 | // causes "sbumpc" to return an incorrect value. | |
049930c8 | 20 | // { dg-do run { xfail arm*-*-elf arm*-*-eabi } } |
517da0ce | 21 | |
0c20e4ec NS |
22 | // { dg-require-fileio "" } |
23 | ||
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24 | #include <cstdio> |
25 | #include <fstream> | |
26 | #include <ext/stdio_filebuf.h> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | void test2() | |
30 | { | |
31 | using namespace std; | |
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32 | |
33 | filebuf fbuf; | |
34 | fbuf.open("tmp_10063-2", ios_base::out | ios_base::trunc); | |
35 | fbuf.sputn("01234", 5); | |
36 | fbuf.close(); | |
37 | ||
38 | FILE* file = fopen("tmp_10063-2", "r"); | |
8fc81078 | 39 | setbuf(file, 0); |
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40 | int c = getc(file); |
41 | VERIFY(c == '0'); | |
42 | c = getc(file); | |
43 | VERIFY(c == '1'); | |
44 | { | |
45 | __gnu_cxx::stdio_filebuf<char> sbuf(file, ios_base::in); | |
46 | c = sbuf.sbumpc(); | |
47 | VERIFY(c == '2'); | |
48 | c = sbuf.sbumpc(); | |
49 | VERIFY(c == '3'); | |
50 | c = sbuf.sbumpc(); | |
51 | VERIFY(c == '4'); | |
52 | c = sbuf.sgetc(); | |
53 | VERIFY(c == EOF); | |
54 | } | |
55 | fclose(file); | |
56 | } | |
57 | ||
58 | int main() | |
59 | { | |
60 | test2(); | |
61 | return 0; | |
62 | } |